Fig. 16From: Solidified magma reservoir derived from active source seismic experiments in the Aira caldera, southern Kyushu, JapanImage of the magma reservoir associated with the AT eruption 30 ka. White and red rectangles indicate the HVZ (= the solidified magma reservoir with a volume of ~ 140 km3 (this study)) and a pyroclastic ejecta of ~ 350 km3 DRE from the AT eruption (Geshi et al. 2020), respectively. Other symbols are same as those in Fig. 7Back to article page